Adam Friedman, a program director at The George Washington University School of Medicine & Health Sciences, is on the same page as Romanowski. "While it does have antimicrobial properties which may be useful in terms of fighting off bacterial or fungal overgrowth on the scalp that can lead to hair-damaging inflammation, there is zero evidence [showing] it is helpful for hair growth," he says, adding that some people can actually be allergic to castor oil and experience inflammation, ultimately doing more damage than good to the scalp. "To propose that castor oil accelerates hair growth, a tightly regulated process (one centimeter per month) for which FDA approved medications for hair loss do not impact, is ridiculous," he states.
A separate study, published in Skin Therapy Letter — a professional reference site for dermatologists — found that women also benefit from using the more potent 5 percent minoxidil treatment. “Patient-reported improvement in hair volume and coverage appears to be greater with 5 percent minoxidil foam,” reads the report. Plus, because the 5 percent treatment is stronger, women only have to apply it once a day to get the same results as they would with the 2 percent treatment applied twice daily.
While minoxidil has been clinically proven to slow the progression of hair loss and regrow some hair, most experts see it as a relatively marginally effective drug in the fight against hair loss. Since minoxidil has no effect on the hormonal process of hair loss, its positive effects are at best temporary and usually yield somewhat disappointing results.
For example, if your hair is thinning because you’ve recently started a new medication or a diet, your approach might be to take an oral supplement or use a laser light device. But if you have hair loss from psoriasis or chemical treatments, you might try a new shampoo and invest in a moisturizing scalp treatment. Throwing everything possible at the problem might not be the most effective method.
In clinical studies of mostly white women aged 18-45 years with mild to moderate degrees of hair loss, the following response to 2% minoxidil topical solution was reported: 19% of women reported moderate hair regrowth after using 2% minoxidil topical solution for 8 months (19% had moderate regrowth; 40% had minimal regrowth). This compares with 7% of women reporting moderate hair regrowth after using the placebo, the liquid without minoxidil in it, for 8 months (7% had moderate regrowth; 33% had minimal regrowth).

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Other medical conditions — most commonly telogen effluvium and seborrheic dermatitis — can also cause hair loss, but most people can trace their follicular woes back to androgenetic alopecia, so we focused our search there. We started with more than 200 products, including all-natural solutions and high-tech gadgets, while skipping treatments that focus only on volumizing or thickening hair. We also limited our scope to the scalp, and left out specialty products designed only for eyebrows or beards.
Ketoconazole is another off-label treatment that stands out for treating hair loss. Ketoconazole is the active ingredient in Nizoral shampoo, and 2 percent strength is often prescribed to treat dandruff -- a 1 percent formula is sold over the counter, but reviewers say that it's not as effective. Many men choose to triple-treat their hair loss with minoxidil, Propecia and Nizoral shampoo. Studies show promising results with ketoconazole, though not any better than minoxidil or Propecia, but experts insist that further study is needed.
Am an Af/Am women 49y.o. almost 50 in a week. Anyway, last april, I removed a weave and saw that around the perimeter of my hairline the hair was so thin, it was virtually bald. I presumed it was due to the weave rubbing against my fine hair; but I later reviewed pictures over the past 8 years and saw how my hair had progressively thinned. My sister and mother confirmed that despite my youthful appearance, the hair thining was likely genetic. I am a can do kinda girl so I sought options. Was evening considering hair replacement "Bosley-style". Long story a little shorter, I boutht this Equate Hair Regrowth after reading just about all of the reviews. Worse thing that could happen was NOTHING, so I would be exactly where I was...thining disappearing hair at the edges. I have used the Equate Hair Regrowth since April 2013 and the hair has regrown around the perimeter and I couldn't be more pleased. I bought for my elder sister 56 y.o. and she had significantly more hair-loss, almost bald edges in fact; now she too has experienced regrowth and was so pleased she recommended it to my mother 74 y.o. and I bought it for her also (she will start applying by the end of the week). Highly recommend this product and note that I have also been taking biotin supplements since April 2013. So, buy Equate Hair Regrowth and biotin for best results. Price can't be beat. Excellent
The causes behind other types of hair loss -- including alopecia areata, telogen effluvium, anagen effluvium and traction alopecia -- and their treatment can be dramatically different. Hair loss is best treated in association with its underlying cause; therefore, it's recommend to seek medical help. Abnormal hair loss can also be a symptom of a more serious disease -- early diagnosis is strongly suggested in these cases.
Excessive hair loss led me to this product about six years ago, and having sought advice from physicians ("It's stress"), a vitamin guru ($150 later) and all the information I could glean from the internet, I was wisely advised by my dermatologist to try men's Rogaine. The price, however, was a major deterrent, so more sleuthing led me to Walmart, and their version of Rogaine -- just plain minoxidil, but at an affordable price. Equate did wonders! And has continued to work its volumizing wonders over the years. My hair's thick and shiny, and while it undergoes spells of temporary loss, it always returns in full volume. I couldn't live without this product -- and a three-months' supply for a little more than $18 (5% solution), it's not only a bargain, but a blessing!!
When it comes to a hair growth shampoo, you have two options: prescriptions or over-the-counter treatments. Prescription shampoos like ketoconazole are anti-androgenetic, meaning they prevent testosterone and dihydrotestosterone (DHT), two hormones associated with hair loss by targeting hair growth at the site of the follicle and helping to interrupt the hormone cycle locally that causes thinning,” explains Dr. Schweiger. “Over-the-counter growth shampoos typically contain amino acids and antioxidants to provide the components to rebuild hair as well as reduce damage and inflammation.”
According to holistic nutritionist and founder of Kore Kitchen Meryl Pritchard, getting plenty of healthy fats like omega-3s can jump-start hair growth. "Healthy fats are essential to hair health since our bodies can't produce omega-3 fatty acids on their own. Therefore, it's important to get these fats through our diet: "They nourish hair follicles to give strands that strong, shiny, lustrous glow like in the Pantene Pro-V commercials." Tempting, right?
Domen, I was reading some articles and also the links you’ve provided in your other comments above – they say both Finesteride and Minoxidil only check further hair loss and thicken existing hair – but both can’t re-generate hair that’s already gone from bald spots. I guess the effectiveness of these 2 medications are quite proportionate to age of the native! At 42, I guess, I am old 🙁 Atleast according to Indian standards!!

While biotin is a type of vitamin that plays a functional role in hair growth, there are other vitamins that can help improve the overall health of your hair. Vitamin E is one such key vitamin that acts as an antioxidant and helps to reduce the oxidative stress on your scalp. This greatly affects hair growth, and this was proven by a study published in the Tropical Life Sciences Research journal (2). Another vitamin that is useful is vitamin C. It removes the dead cells build-up from the scalp and unclogs the hair follicles. This can improve hair growth as well (3). Vitamin C tablets can be added to a carrier oil and used to massage the scalp. Internal supplements of both these vitamins also help.
THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.
Minoxidil (Rogaine). This is an over-the-counter (nonprescription) medication approved for men and women. It comes as a liquid or foam that you rub into your scalp daily. Wash your hands after application. At first it may cause you to shed hair as hair follicles. New hair may be shorter and thinner than previous hair. At least six months of treatment is required to prevent further hair loss and to start hair regrowth. You need to keep applying the medication to retain benefits.
“I’m 43 years old and my hair has started to thin out a little bit. I started looking into a lot of these different products on the market that claim they can slow down balding in men and some of them even claim they can regrow your actual hair. As I went on the internet and started looking around, I kind of went down a rabbit hole into these different reviews and all sorts of different products from vitamins to topical solutions. Do any of these things do what they claim they can do?”
Taking hair supplements can be helpful for anyone who is experiencing hair loss or hair thinning. Dendy Engelman, MD, a board-certified dermatologic surgeon at Medical Dermatology & Cosmetic Surgery in New York City, previously recommended Nutrafol, a research-backed hair supplement, to Prevention. "This uses highly concentrated botanicals to address every stage of the growth cycle," she says. Nutrafol's hair supplements include vitamin E and ashwagandha (an adaptogen that helps balance cortisol levels in the body), among others.
Jimenez, J. J., Wikramanayake, T. C., Bergfeld, W., Hordinsky, M., Hickman, J. G., Hamblin, M. R., & Schachner, L. A. (2014). Efficacy and Safety of a Low-level Laser Device in the Treatment of Male and Female Pattern Hair Loss: A Multicenter, Randomized, Sham Device-controlled, Double-blind Study. American Journal of Clinical Dermatology, 15(2), 115–127.
Not surprisingly, treatments with 5 percent minoxidil work better than treatments with 2 percent minoxidil. A randomized clinical trial published in the American Journal of Clinical Dermatology in 2002 found that, in men with androgenetic alopecia, “5 percent topical minoxidil was clearly superior to 2 percent topical minoxidil and placebo in increasing hair growth.” The difference was actually pretty astounding — after 48 weeks, the men who used 5 percent minoxidil experienced 45 percent more hair growth than the men who used the 2 percent treatment.
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